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Simple and practical 3-key interlocking electronic switch circuit
Source: InternetPublisher:通通 Updated: 2018/07/01
The circuit structure is simple. Press any key to open the corresponding circuit and close the other two circuits. Contact jitter does not affect the normal operation of the circuit and has good anti-interference. If the driving transistor behind is removed, the static power consumption of the circuit is almost zero. By removing the buttons, it can also be converted to pulse control.
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